VOIP (Voice Over Internet Protocol) is more than a profitable way to make calls. To climb companies, it provides perfect communication, better collaboration and the flexibility of growing without being linked to traditional telephone systems. Whether it is a startup for rapid expansion or scale operations of the established company, the correct VoIP supplier can be a game change.
We have analyzed competition to offer you the six best VoIP suppliers that support business growth. These sachalability platforms, advanced characteristics and perfect integrations to optimize operations and improve customer interactions.
1. Fixed virtual: The best for remote and hybrid workforce

Prices:
- Local telephone numbers: from £ 4.50/months
- 0207 or 0208 London numbers: from £ 10/months
- 0800 numbers: From £ 11.95/month
- Multiple user office numbers: from £ 6.95/months
Why is it great for growing companies:
For colleagues with remote equipment or flexible work arrangements, Virtual Lline offers a totally mobile and scalable solution. It provides virtual office numbers and the ability to enruate calls to any device, so it is a perfect option for moving companies.
Key features:
- Call forwarding and virtual receptionist
- Videoconference for remote equipment
- Self -service management portal
- Customer service based in the United Kingdom
2. Bonline: Economic VoIP for new growing companies

Prices:
- Starter: £ 7 per user/months
- Unlimited calls: £ 13.95 per user/months
- Unlimited calls (with desk phone): £ 15.50 per user/months
Why is it great for growing companies:
Bonline sacrifices VoIP at the business level at friendly prices for the beginning. With personalized voice email greetings, international call flows and calls from 1p per minute, it is an affordable but powerful solution for companies that seek to climb.
Key features:
- Set the business schedule and call flows
- Voice and Video Conference
- Salesforce, Hubspot and Google integrations
- Flexible scalability as teams grow
3. Vonage: The best for international expansion

Prices:
- Express: £ 10 per user/months
- Core: £ 18 per user/months
- Pro: £ 20 per user/months
- Max: £ 25 per user/months
Why is it great for growing companies:
With coverage in more than 40 countries and more than 96 local numbers for incoming calls, Vonage is perfect for companies to seem to expand worldwide. Its virtual receptionist and call monitoring characteristics maintain the interactions of soft customers in multiple locations.
Key features:
- Global Telephone Number Support
- Virtual receptionist and call monitoring
- Video and collaboration meetings
- Desk and mobile application support
4. Diftpad: Communications with Ia for growing equipment

Prices:
- Standard: £ 12 per user/months
- Pro: £ 20 per user/months
- Enterprise: Contact sales
Why is it great for growing companies:
DIFTPAD takes the AI to improve communication, offering voice intelligence in real time and a transcription with AI. This makes it ideal for companies that focus on efficiency and data -based decisions while climbing operations.
Key features:
- Call transcripts with AI
- HD video and audio meetings
- Custom call routing and automatic assistant
- Integrations with Google Workspace, Microsoft 365 and Zendesk
5. Nextive: For a perfect experience to the client on scale

Prices:
- Digital: £ 15.19 per user/months
- Core: £ 22.79 per user/months
- Doock: £ 30.39 per user/months
- Power Suite: £ 45.58 per user/months
Why is it great for growing companies:
Nextive combines VoIP with powerful customer relationship tools. It allows companies to administer customer conversations in multiple channels in one place, which makes it perfect for the experience of companies to prioritize companies as they grow.
Key features:
- Unified Equipment and Client Communication
- Unlimited voice and video call
- Call analysis with AI
- CRM and aid service integration
6. Ringcentral: the scalable solution all in one

Prices:
- Essentials: £ 12.99 per user/months
- Standard: £ 19.99 per user/months
- Premium: £ 24.99 per user/months
- Ultimate: £ 29.99 per user/months
Why is it great for growing companies:
Ringcentral is a main option for growing companies that need a communication platform all in one. With cloud -based PBX, voice voices and high quality video calls, and unlimited messages, eliminates the need for expensive hardware. His extensive integrations with Microsoft 365, Google Workspace and Slack make it ideal for equipment that expands their workflows.
Key features:
- Customer service 24/7
- Scalable call and messaging options
- Videoconference and SMS
- Call recording at request
7. 8 × 8: Best advanced experience of the unintegrated client with AI

Prices: Available at order.
Why is it great for growing companies:
8 × 8 is reliable for more than 3 million commercial users and offers a unified communications platform that integrates customer experience tools with AI. Simplifies complex workflows and improves operational efficiencies while maintaining safe and compatible communication.
Key features:
- Contact center solutions promoted by AI
- Client omnichannel interactions
- Messaging services and high volume voice
- Advanced analysis and workforce participation management
- Global coverage and integration of Microsoft equipment
Choose the appropriate VoIP supplier for growth
The best VOIP supplier for your business depends on your specific growth needs:
- For a scalable solution in one: ringcentral
- For customer -centered operations: nextive
- For international expansion: vonage
- For the efficiency driven by AI: DIFFPAD
- For new budget companies: Bonline
- For remote and hybrid equipment: virtual felt
- For customer experience with AI: 8 × 8
Each of these suppliers sacrifices powerful characteristics designed to climb along with their business. By selecting the correct VOIP service, you can improve collaboration, improve customer interactions and guarantee perfect communication as your business grows.
See also: 5 of the best telephone systems for your remote workers